2153120

Information

• Patent Grant
• 2153120

• References
• Source

• Patent Number

  2,153,120

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1939
  85 years ago

• CPC

  • B60H1/00464 - The ventilator being of the axial type
  • Y10S165/098 - One shutter section having different flow area or flow direction with another shutter section

• US Classifications

  • 165 - Heat exchange
  • 219 - Electric heating
  • 392 - Electric resistance heating devices